11397492 has 54 divisors (see below), whose sum is σ = 30441138. Its totient is φ = 3595104.

The previous prime is 11397487. The next prime is 11397499. The reversal of 11397492 is 29479311.

11397492 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 10929636 + 467856 = 3306^2 + 684^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11397499) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12558 + ... + 13434.

Almost surely, 2^11397492 is an apocalyptic number.

11397492 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 11397492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15220569).

11397492 is an abundant number, since it is smaller than the sum of its proper divisors (19043646).

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

11397492 is a wasteful number, since it uses less digits than its factorization.

11397492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 901 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 11397492 is about 3376.0171800511. The cubic root of 11397492 is about 225.0452057317.

The spelling of 11397492 in words is "eleven million, three hundred ninety-seven thousand, four hundred ninety-two".