11451072 has 112 divisors (see below), whose sum is σ = 33080960. Its totient is φ = 3483648.

The previous prime is 11451071. The next prime is 11451073. The reversal of 11451072 is 27015411.

It is a happy number.

11451072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11451071) and next prime (11451073).

It is a super-2 number, since 2×11451072² = 262254099898368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11451071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156828 + ... + 156900.

Almost surely, 2^11451072 is an apocalyptic number.

11451072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11451072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16540480).

11451072 is an abundant number, since it is smaller than the sum of its proper divisors (21629888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11451072 is a wasteful number, since it uses less digits than its factorization.

11451072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 11451072 is about 3383.9432619357. The cubic root of 11451072 is about 225.3973029713.

Adding to 11451072 its reverse (27015411), we get a palindrome (38466483).

The spelling of 11451072 in words is "eleven million, four hundred fifty-one thousand, seventy-two".