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13049212 = 22111571889
BaseRepresentation
bin110001110001…
…110101111100
3220112222011011
4301301311330
511320033322
61143405004
7215626231
oct61616574
926488134
1013049212
117403080
124453764
13291b737
141a39788
15122b677
hexc71d7c

13049212 has 24 divisors (see below), whose sum is σ = 25084080. Its totient is φ = 5890560.

The previous prime is 13049209. The next prime is 13049227. The reversal of 13049212 is 21294031.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 5964 + ... + 7852.

It is an arithmetic number, because the mean of its divisors is an integer number (1045170).

Almost surely, 213049212 is an apocalyptic number.

It is an amenable number.

13049212 is a deficient number, since it is larger than the sum of its proper divisors (12034868).

13049212 is a wasteful number, since it uses less digits than its factorization.

13049212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13049212 is about 3612.3693055943. The cubic root of 13049212 is about 235.4297974281.

The spelling of 13049212 in words is "thirteen million, forty-nine thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 157 314 628 1727 1889 3454 3778 6908 7556 20779 41558 83116 296573 593146 1186292 3262303 6524606 13049212