11907072 has 156 divisors (see below), whose sum is σ = 38333880. Its totient is φ = 3538944.

The previous prime is 11907061. The next prime is 11907073. The reversal of 11907072 is 27070911.

It is a super-2 number, since 2×11907072² = 283556727226368, which contains 22 as substring.

It is a nialpdrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11907073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 626679 + ... + 626697.

It is an arithmetic number, because the mean of its divisors is an integer number (245730).

Almost surely, 2^11907072 is an apocalyptic number.

11907072 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 11907072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19166940).

11907072 is an abundant number, since it is smaller than the sum of its proper divisors (26426808).

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

11907072 is a wasteful number, since it uses less digits than its factorization.

11907072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 11907072 is about 3450.6625450774. The cubic root of 11907072 is about 228.3503385965.

Adding to 11907072 its reverse (27070911), we get a palindrome (38977983).

The spelling of 11907072 in words is "eleven million, nine hundred seven thousand, seventy-two".