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12996590 = 254131699
BaseRepresentation
bin110001100100…
…111111101110
3220110021222012
4301210333232
511311342330
61142321222
7215316635
oct61447756
926407865
1012996590
117377592
124429212
1329007b9
141a2451c
15121ac95
hexc64fee

12996590 has 16 divisors (see below), whose sum is σ = 23965200. Its totient is φ = 5071680.

The previous prime is 12996559. The next prime is 12996629. The reversal of 12996590 is 9569921.

12996590 = 1962 + 1972 + ... + 3592.

It is a super-2 number, since 2×129965902 = 337822703256200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 15440 + ... + 16259.

It is an arithmetic number, because the mean of its divisors is an integer number (1497825).

Almost surely, 212996590 is an apocalyptic number.

12996590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12996590 is a deficient number, since it is larger than the sum of its proper divisors (10968610).

12996590 is a wasteful number, since it uses less digits than its factorization.

12996590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31747.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 12996590 is about 3605.0783625325. The cubic root of 12996590 is about 235.1129078684.

The spelling of 12996590 in words is "twelve million, nine hundred ninety-six thousand, five hundred ninety".

Divisors: 1 2 5 10 41 82 205 410 31699 63398 158495 316990 1299659 2599318 6498295 12996590