11920570 has 16 divisors (see below), whose sum is σ = 22719528. Its totient is φ = 4487680.

The previous prime is 11920561. The next prime is 11920591. The reversal of 11920570 is 7502911.

It can be written as a sum of positive squares in 4 ways, for example, as 8427409 + 3493161 = 2903^2 + 1869^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34891 + ... + 35230.

Almost surely, 2^11920570 is an apocalyptic number.

11920570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11920570 is a deficient number, since it is larger than the sum of its proper divisors (10798958).

11920570 is a wasteful number, since it uses less digits than its factorization.

11920570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70145.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 11920570 is about 3452.6178473732. The cubic root of 11920570 is about 228.4365929083.

The spelling of 11920570 in words is "eleven million, nine hundred twenty thousand, five hundred seventy".