11648457 has 6 divisors (see below), whose sum is σ = 16825562. Its totient is φ = 7765632.

The previous prime is 11648453. The next prime is 11648477. The reversal of 11648457 is 75484611.

It is a happy number.

11648457 is a `hidden beast` number, since 1 + 1 + 648 + 4 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7338681 + 4309776 = 2709^2 + 2076^2 .

It is not a de Polignac number, because 11648457 - 2² = 11648453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11648453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 647128 + ... + 647145.

Almost surely, 2^11648457 is an apocalyptic number.

It is an amenable number.

11648457 is a deficient number, since it is larger than the sum of its proper divisors (5177105).

11648457 is a wasteful number, since it uses less digits than its factorization.

11648457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294279 (or 1294276 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 11648457 is about 3412.9835921082. The cubic root of 11648457 is about 226.6850088482.

The spelling of 11648457 in words is "eleven million, six hundred forty-eight thousand, four hundred fifty-seven".