11462640 has 80 divisors (see below), whose sum is σ = 40616448. Its totient is φ = 2619648.

The previous prime is 11462621. The next prime is 11462651. The reversal of 11462640 is 4626411.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11462640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1732 + ... + 5091.

Almost surely, 2^11462640 is an apocalyptic number.

11462640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11462640 is an abundant number, since it is smaller than the sum of its proper divisors (29153808).

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

11462640 is a wasteful number, since it uses less digits than its factorization.

11462640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846 (or 6840 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 11462640 is about 3385.6520789945. The cubic root of 11462640 is about 225.4731770463.

It can be divided in two parts, 1 and 1462640, that added together give a palindrome (1462641).

The spelling of 11462640 in words is "eleven million, four hundred sixty-two thousand, six hundred forty".