12980955 has 16 divisors (see below), whose sum is σ = 22367520. Its totient is φ = 6390528.

The previous prime is 12980939. The next prime is 12980963. The reversal of 12980955 is 55908921.

12980955 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12980955 - 2⁴ = 12980939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 33090 + ... + 33479.

It is an arithmetic number, because the mean of its divisors is an integer number (1397970).

Almost surely, 2^12980955 is an apocalyptic number.

12980955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12980955 is a deficient number, since it is larger than the sum of its proper divisors (9386565).

12980955 is a wasteful number, since it uses less digits than its factorization.

12980955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66590.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 12980955 is about 3602.9092411550. The cubic root of 12980955 is about 235.0185891437.

The spelling of 12980955 in words is "twelve million, nine hundred eighty thousand, nine hundred fifty-five".