11457913 has 4 divisors (see below), whose sum is σ = 11467008. Its totient is φ = 11448820.

The previous prime is 11457889. The next prime is 11457937. The reversal of 11457913 is 31975411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (11457889) and next prime (11457937).

It is a cyclic number.

It is not a de Polignac number, because 11457913 - 2⁹ = 11457401 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11457973) 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, 2281 + ... + 5302.

It is an arithmetic number, because the mean of its divisors is an integer number (2866752).

Almost surely, 2^11457913 is an apocalyptic number.

It is an amenable number.

11457913 is a deficient number, since it is larger than the sum of its proper divisors (9095).

11457913 is an equidigital number, since it uses as much as digits as its factorization.

11457913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9094.

The product of its digits is 3780, while the sum is 31.

The square root of 11457913 is about 3384.9539140142. The cubic root of 11457913 is about 225.4421790025.

The spelling of 11457913 in words is "eleven million, four hundred fifty-seven thousand, nine hundred thirteen".