12932420 has 24 divisors (see below), whose sum is σ = 27331584. Its totient is φ = 5139936.

The previous prime is 12932399. The next prime is 12932429. The reversal of 12932420 is 2423921.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12932429) 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, 1277 + ... + 5243.

It is an arithmetic number, because the mean of its divisors is an integer number (1138816).

Almost surely, 2^12932420 is an apocalyptic number.

12932420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12932420 is an abundant number, since it is smaller than the sum of its proper divisors (14399164).

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

12932420 is a wasteful number, since it uses less digits than its factorization.

12932420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139 (or 4137 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12932420 is about 3596.1674043348. The cubic root of 12932420 is about 234.7253166005.

The spelling of 12932420 in words is "twelve million, nine hundred thirty-two thousand, four hundred twenty".