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12945692 = 223236423
BaseRepresentation
bin110001011000…
…100100011100
3220100201011002
4301120210130
511303230232
61141245432
7215015354
oct61304434
926321132
1012945692
117342321
124403878
1328b3596
141a0db64
15120ab62
hexc5891c

12945692 has 6 divisors (see below), whose sum is σ = 22654968. Its totient is φ = 6472844.

The previous prime is 12945679. The next prime is 12945701. The reversal of 12945692 is 29654921.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1618208 + ... + 1618215.

It is an arithmetic number, because the mean of its divisors is an integer number (3775828).

Almost surely, 212945692 is an apocalyptic number.

It is an amenable number.

12945692 is a deficient number, since it is larger than the sum of its proper divisors (9709276).

12945692 is a wasteful number, since it uses less digits than its factorization.

12945692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236427 (or 3236425 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 12945692 is about 3598.0122289953. The cubic root of 12945692 is about 234.8055853957.

The spelling of 12945692 in words is "twelve million, nine hundred forty-five thousand, six hundred ninety-two".

Divisors: 1 2 4 3236423 6472846 12945692