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12493172 = 2222713759
BaseRepresentation
bin101111101010…
…000101110100
3212111201102002
4233222011310
511144240142
61123434432
7211122146
oct57520564
925451362
1012493172
11706333a
124225a18
132785613
141932c96
15116ba32
hexbea174

12493172 has 12 divisors (see below), whose sum is σ = 21960960. Its totient is φ = 6218616.

The previous prime is 12493141. The next prime is 12493183. The reversal of 12493172 is 27139421.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5972 + ... + 7787.

It is an arithmetic number, because the mean of its divisors is an integer number (1830080).

Almost surely, 212493172 is an apocalyptic number.

It is an amenable number.

12493172 is a deficient number, since it is larger than the sum of its proper divisors (9467788).

12493172 is a wasteful number, since it uses less digits than its factorization.

12493172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13990 (or 13988 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 12493172 is about 3534.5681490106. The cubic root of 12493172 is about 232.0371769594.

The spelling of 12493172 in words is "twelve million, four hundred ninety-three thousand, one hundred seventy-two".

Divisors: 1 2 4 227 454 908 13759 27518 55036 3123293 6246586 12493172