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12973507 = 411092903
BaseRepresentation
bin110001011111…
…010111000011
3220102010022021
4301133113003
511310123012
61142022311
7215162431
oct61372703
926363267
1012973507
117361208
124417997
1328c3141
141a19d51
151214007
hexc5f5c3

12973507 has 8 divisors (see below), whose sum is σ = 13416480. Its totient is φ = 12536640.

The previous prime is 12973483. The next prime is 12973511. The reversal of 12973507 is 70537921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12973507 - 27 = 12973379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12973517) 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, 3018 + ... + 5920.

It is an arithmetic number, because the mean of its divisors is an integer number (1677060).

Almost surely, 212973507 is an apocalyptic number.

12973507 is a deficient number, since it is larger than the sum of its proper divisors (442973).

12973507 is a wasteful number, since it uses less digits than its factorization.

12973507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 12973507 is about 3601.8754836890. The cubic root of 12973507 is about 234.9736321706.

The spelling of 12973507 in words is "twelve million, nine hundred seventy-three thousand, five hundred seven".

Divisors: 1 41 109 2903 4469 119023 316427 12973507