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12497072 = 247111581
BaseRepresentation
bin101111101011…
…000010110000
3212111220202112
4233223002300
511144401242
61123504452
7211136420
oct57530260
925456675
1012497072
117066265
124228128
132787323
141934480
15116cc82
hexbeb0b0

12497072 has 20 divisors (see below), whose sum is σ = 27672336. Its totient is φ = 5355840.

The previous prime is 12497059. The next prime is 12497081. The reversal of 12497072 is 27079421.

12497072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55679 + ... + 55902.

Almost surely, 212497072 is an apocalyptic number.

It is an amenable number.

12497072 is an abundant number, since it is smaller than the sum of its proper divisors (15175264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12497072 is a wasteful number, since it uses less digits than its factorization.

12497072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111596 (or 111590 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 12497072 is about 3535.1197999502. The cubic root of 12497072 is about 232.0613195028.

The spelling of 12497072 in words is "twelve million, four hundred ninety-seven thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 111581 223162 446324 781067 892648 1562134 1785296 3124268 6248536 12497072