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13392691 = 134125127
BaseRepresentation
bin110011000101…
…101100110011
3221012102022121
4303011230303
511412031231
61155015111
7221556514
oct63055463
927172277
1013392691
117618144
12459a497
132a0bb90
141ac8a0b
151298311
hexcc5b33

13392691 has 8 divisors (see below), whose sum is σ = 14775264. Its totient is φ = 12060480.

The previous prime is 13392689. The next prime is 13392707. The reversal of 13392691 is 19629331.

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 13392691 - 21 = 13392689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13392641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12031 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (1846908).

Almost surely, 213392691 is an apocalyptic number.

13392691 is a deficient number, since it is larger than the sum of its proper divisors (1382573).

13392691 is a wasteful number, since it uses less digits than its factorization.

13392691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25181.

The product of its digits is 8748, while the sum is 34.

The square root of 13392691 is about 3659.6025740509. The cubic root of 13392691 is about 237.4775808939.

The spelling of 13392691 in words is "thirteen million, three hundred ninety-two thousand, six hundred ninety-one".

Divisors: 1 13 41 533 25127 326651 1030207 13392691