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13387204 = 223346801
BaseRepresentation
bin110011000100…
…010111000100
3221012010210101
4303010113010
511411342304
61154533444
7221534515
oct63042704
927163711
1013387204
117614006
124597284
132a0952c
141ac6a0c
1512968a4
hexcc45c4

13387204 has 6 divisors (see below), whose sum is σ = 23427614. Its totient is φ = 6693600.

The previous prime is 13387201. The next prime is 13387249. The reversal of 13387204 is 40278331.

It can be written as a sum of positive squares in only one way, i.e., 7617600 + 5769604 = 2760^2 + 2402^2 .

It is not an unprimeable number, because it can be changed into a prime (13387201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1673397 + ... + 1673404.

Almost surely, 213387204 is an apocalyptic number.

It is an amenable number.

13387204 is a deficient number, since it is larger than the sum of its proper divisors (10040410).

13387204 is a wasteful number, since it uses less digits than its factorization.

13387204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346805 (or 3346803 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 13387204 is about 3658.8528256818. The cubic root of 13387204 is about 237.4451448565.

The spelling of 13387204 in words is "thirteen million, three hundred eighty-seven thousand, two hundred four".

Divisors: 1 2 4 3346801 6693602 13387204