11801257 has 8 divisors (see below), whose sum is σ = 12871040. Its totient is φ = 10754640.

The previous prime is 11801233. The next prime is 11801263. The reversal of 11801257 is 75210811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11801257 - 2⁷ = 11801129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11801227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4719 + ... + 6772.

It is an arithmetic number, because the mean of its divisors is an integer number (1608880).

Almost surely, 2^11801257 is an apocalyptic number.

It is an amenable number.

11801257 is a deficient number, since it is larger than the sum of its proper divisors (1069783).

11801257 is a wasteful number, since it uses less digits than its factorization.

11801257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583.

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

The square root of 11801257 is about 3435.2957660149. The cubic root of 11801257 is about 227.6718952039.

The spelling of 11801257 in words is "eleven million, eight hundred one thousand, two hundred fifty-seven".