11396531 has 4 divisors (see below), whose sum is σ = 11454000. Its totient is φ = 11339064.

The previous prime is 11396527. The next prime is 11396551. The reversal of 11396531 is 13569311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11396531 - 2² = 11396527 is a prime.

It is a super-2 number, since 2×11396531² = 259761837667922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11396494 and 11396503.

It is not an unprimeable number, because it can be changed into a prime (11396551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28436 + ... + 28833.

It is an arithmetic number, because the mean of its divisors is an integer number (2863500).

Almost surely, 2^11396531 is an apocalyptic number.

11396531 is a deficient number, since it is larger than the sum of its proper divisors (57469).

11396531 is an equidigital number, since it uses as much as digits as its factorization.

11396531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57468.

The product of its digits is 2430, while the sum is 29.

The square root of 11396531 is about 3375.8748495760. The cubic root of 11396531 is about 225.0388805238.

The spelling of 11396531 in words is "eleven million, three hundred ninety-six thousand, five hundred thirty-one".