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13924207 = 1117193919
BaseRepresentation
bin110101000111…
…011101101111
3222012102102101
4311013131233
512031033312
61214235531
7226232233
oct65073557
928172371
1013924207
117950510
1247b5ba7
132b66a9b
141bc65c3
151350a57
hexd4776f

13924207 has 16 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 11283840.

The previous prime is 13924201. The next prime is 13924219. The reversal of 13924207 is 70242931.

It is a cyclic number.

It is not a de Polignac number, because 13924207 - 211 = 13922159 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 (13924201) 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, 1594 + ... + 5512.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 213924207 is an apocalyptic number.

13924207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13924207 is a deficient number, since it is larger than the sum of its proper divisors (3010193).

13924207 is a wasteful number, since it uses less digits than its factorization.

13924207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13924207 is about 3731.5153758225. The cubic root of 13924207 is about 240.5785060448.

The spelling of 13924207 in words is "thirteen million, nine hundred twenty-four thousand, two hundred seven".

Divisors: 1 11 17 19 187 209 323 3553 3919 43109 66623 74461 732853 819071 1265837 13924207