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12980151 = 326732143
BaseRepresentation
bin110001100000…
…111110110111
3220102110102100
4301200332313
511310331101
61142113143
7215221002
oct61407667
926373370
1012980151
1173661a8
12441b7b3
1328c6182
141a1c539
151215e86
hexc60fb7

12980151 has 12 divisors (see below), whose sum is σ = 18785728. Its totient is φ = 8636544.

The previous prime is 12980147. The next prime is 12980153. The reversal of 12980151 is 15108921.

It is not a de Polignac number, because 12980151 - 22 = 12980147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12980153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4986 + ... + 7128.

Almost surely, 212980151 is an apocalyptic number.

12980151 is a deficient number, since it is larger than the sum of its proper divisors (5805577).

12980151 is a wasteful number, since it uses less digits than its factorization.

12980151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 12980151 is about 3602.7976629281. The cubic root of 12980151 is about 235.0137369365.

It can be divided in two parts, 12980 and 151, that added together give a palindrome (13131).

The spelling of 12980151 in words is "twelve million, nine hundred eighty thousand, one hundred fifty-one".

Divisors: 1 3 9 673 2019 2143 6057 6429 19287 1442239 4326717 12980151