11801275 has 6 divisors (see below), whose sum is σ = 14633612. Its totient is φ = 9441000.

The previous prime is 11801269. The next prime is 11801287. The reversal of 11801275 is 57210811.

11801275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11801275 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 472051 = 11801275 / (1 + 1 + 8 + 0 + 1 + 2 + 7 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236001 + ... + 236050.

Almost surely, 2^11801275 is an apocalyptic number.

11801275 is a deficient number, since it is larger than the sum of its proper divisors (2832337).

11801275 is an equidigital number, since it uses as much as digits as its factorization.

11801275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472061 (or 472056 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 11801275 is about 3435.2983858757. The cubic root of 11801275 is about 227.6720109569.

The spelling of 11801275 in words is "eleven million, eight hundred one thousand, two hundred seventy-five".