11257660 has 24 divisors (see below), whose sum is σ = 23718240. Its totient is φ = 4488384.

The previous prime is 11257651. The next prime is 11257663. The reversal of 11257660 is 6675211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257663) 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, 7057 + ... + 8503.

It is an arithmetic number, because the mean of its divisors is an integer number (988260).

Almost surely, 2^11257660 is an apocalyptic number.

11257660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11257660 is an abundant number, since it is smaller than the sum of its proper divisors (12460580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11257660 is a wasteful number, since it uses less digits than its factorization.

11257660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 11257660 is about 3355.2436573221. The cubic root of 11257660 is about 224.1210814349.

Subtracting from 11257660 its product of nonzero digits (2520), we obtain a triangular number (11255140 = T₄₇₄₄).

The spelling of 11257660 in words is "eleven million, two hundred fifty-seven thousand, six hundred sixty".