11742931 has 4 divisors (see below), whose sum is σ = 12361000. Its totient is φ = 11124864.

The previous prime is 11742911. The next prime is 11742959. The reversal of 11742931 is 13924711.

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 11742931 - 2¹⁵ = 11710163 is a prime.

It is a super-2 number, since 2×11742931² = 275792856941522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11742931.

It is not an unprimeable number, because it can be changed into a prime (11742901) 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, 309006 + ... + 309043.

It is an arithmetic number, because the mean of its divisors is an integer number (3090250).

Almost surely, 2^11742931 is an apocalyptic number.

11742931 is a deficient number, since it is larger than the sum of its proper divisors (618069).

11742931 is an equidigital number, since it uses as much as digits as its factorization.

11742931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618068.

The product of its digits is 1512, while the sum is 28.

The square root of 11742931 is about 3426.7960254442. The cubic root of 11742931 is about 227.2961971447.

The spelling of 11742931 in words is "eleven million, seven hundred forty-two thousand, nine hundred thirty-one".