11473657 has 16 divisors (see below), whose sum is σ = 13199760. Its totient is φ = 9879552.

The previous prime is 11473633. The next prime is 11473661. The reversal of 11473657 is 75637411.

It can be written as a sum of positive squares in 8 ways, for example, as 2134521 + 9339136 = 1461^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 11473657 - 2¹⁵ = 11440889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11473607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42519 + ... + 42787.

It is an arithmetic number, because the mean of its divisors is an integer number (824985).

Almost surely, 2^11473657 is an apocalyptic number.

11473657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11473657 is a deficient number, since it is larger than the sum of its proper divisors (1726103).

11473657 is a wasteful number, since it uses less digits than its factorization.

11473657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its digits is 17640, while the sum is 34.

The square root of 11473657 is about 3387.2787012586. The cubic root of 11473657 is about 225.5453896894.

The spelling of 11473657 in words is "eleven million, four hundred seventy-three thousand, six hundred fifty-seven".