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13070974 = 271949139
BaseRepresentation
bin110001110111…
…001001111110
3220121002000011
4301313021332
511321232344
61144053434
7216046540
oct61671176
926532004
1013070974
117418464
12446427a
132928607
141a43690
151232d34
hexc7727e

13070974 has 16 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 5306904.

The previous prime is 13070903. The next prime is 13070983. The reversal of 13070974 is 47907031.

It is a super-2 number, since 2×130709742 = 341700722617352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24304 + ... + 24835.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 213070974 is an apocalyptic number.

13070974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13070974 is a deficient number, since it is larger than the sum of its proper divisors (10516226).

13070974 is a wasteful number, since it uses less digits than its factorization.

13070974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49167.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 13070974 is about 3615.3802013066. The cubic root of 13070974 is about 235.5605991398.

The spelling of 13070974 in words is "thirteen million, seventy thousand, nine hundred seventy-four".

Divisors: 1 2 7 14 19 38 133 266 49139 98278 343973 687946 933641 1867282 6535487 13070974