11373640 has 16 divisors (see below), whose sum is σ = 25590780. Its totient is φ = 4549440.

The previous prime is 11373631. The next prime is 11373667. The reversal of 11373640 is 4637311.

It can be written as a sum of positive squares in 2 ways, for example, as 11062276 + 311364 = 3326^2 + 558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142131 + ... + 142210.

Almost surely, 2^11373640 is an apocalyptic number.

11373640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11373640 is an abundant number, since it is smaller than the sum of its proper divisors (14217140).

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

11373640 is a wasteful number, since it uses less digits than its factorization.

11373640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284352 (or 284348 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 11373640 is about 3372.4827649671. The cubic root of 11373640 is about 224.8881089756. Note that the first 3 decimals are identical.

The spelling of 11373640 in words is "eleven million, three hundred seventy-three thousand, six hundred forty".