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12973962 = 2329173431
BaseRepresentation
bin110001011111…
…011110001010
3220102010221010
4301133132022
511310131322
61142024350
7215163651
oct61373612
926363833
1012973962
117361591
1244180b6
1328c3401
141a1a198
15121420c
hexc5f78a

12973962 has 32 divisors (see below), whose sum is σ = 27060480. Its totient is φ = 4141760.

The previous prime is 12973951. The next prime is 12973967. The reversal of 12973962 is 26937921.

It is a self number, because there is not a number n which added to its sum of digits gives 12973962.

It is not an unprimeable number, because it can be changed into a prime (12973967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29887 + ... + 30317.

It is an arithmetic number, because the mean of its divisors is an integer number (845640).

Almost surely, 212973962 is an apocalyptic number.

12973962 is an abundant number, since it is smaller than the sum of its proper divisors (14086518).

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

12973962 is a wasteful number, since it uses less digits than its factorization.

12973962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638.

The product of its digits is 40824, while the sum is 39.

The square root of 12973962 is about 3601.9386446746. The cubic root of 12973962 is about 234.9763790956.

The spelling of 12973962 in words is "twelve million, nine hundred seventy-three thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 29 58 87 173 174 346 431 519 862 1038 1293 2586 5017 10034 12499 15051 24998 30102 37497 74563 74994 149126 223689 447378 2162327 4324654 6486981 12973962