12150520 has 32 divisors (see below), whose sum is σ = 27507600. Its totient is φ = 4830208.

The previous prime is 12150499. The next prime is 12150533. The reversal of 12150520 is 2505121.

It is a junction number, because it is equal to n+sod(n) for n = 12150494 and 12150503.

It is a congruent number.

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, 6312 + ... + 8008.

Almost surely, 2^12150520 is an apocalyptic number.

12150520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12150520 is an abundant number, since it is smaller than the sum of its proper divisors (15357080).

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

12150520 is a wasteful number, since it uses less digits than its factorization.

12150520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 12150520 is about 3485.7596015790. The cubic root of 12150520 is about 229.8961093495.

Adding to 12150520 its reverse (2505121), we get a palindrome (14655641).

The spelling of 12150520 in words is "twelve million, one hundred fifty thousand, five hundred twenty".