11493957 has 4 divisors (see below), whose sum is σ = 15325280. Its totient is φ = 7662636.

The previous prime is 11493949. The next prime is 11493961. The reversal of 11493957 is 75939411.

It is a happy number.

11493957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 75939411 = 3 ⋅25313137.

It is not a de Polignac number, because 11493957 - 2³ = 11493949 is a prime.

It is a super-2 number, since 2×11493957² = 264222095035698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11493257) 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, 1915657 + ... + 1915662.

It is an arithmetic number, because the mean of its divisors is an integer number (3831320).

Almost surely, 2^11493957 is an apocalyptic number.

It is an amenable number.

11493957 is a deficient number, since it is larger than the sum of its proper divisors (3831323).

11493957 is an equidigital number, since it uses as much as digits as its factorization.

11493957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831322.

The product of its digits is 34020, while the sum is 39.

The square root of 11493957 is about 3390.2738827416. The cubic root of 11493957 is about 225.6783282349.

The spelling of 11493957 in words is "eleven million, four hundred ninety-three thousand, nine hundred fifty-seven".