11897496 has 128 divisors (see below), whose sum is σ = 37632000. Its totient is φ = 3452544.

The previous prime is 11897489. The next prime is 11897507. The reversal of 11897496 is 69479811.

It is a happy number.

It is a super-2 number, since 2×11897496² = 283100822140032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53241 + ... + 53463.

It is an arithmetic number, because the mean of its divisors is an integer number (294000).

Almost surely, 2^11897496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11897496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18816000).

11897496 is an abundant number, since it is smaller than the sum of its proper divisors (25734504).

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

11897496 is a wasteful number, since it uses less digits than its factorization.

11897496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 260 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 11897496 is about 3449.2747063694. The cubic root of 11897496 is about 228.2891069379.

The spelling of 11897496 in words is "eleven million, eight hundred ninety-seven thousand, four hundred ninety-six".