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12472383 = 371153993
BaseRepresentation
bin101111100101…
…000000111111
3212110122220010
4233211000333
511143104013
61123154303
7211004430
oct57450077
925418803
1012472383
117049760
124215993
132779011
141929487
1511657c3
hexbe503f

12472383 has 16 divisors (see below), whose sum is σ = 20733696. Its totient is φ = 6479040.

The previous prime is 12472381. The next prime is 12472387. The reversal of 12472383 is 38327421.

It is not a de Polignac number, because 12472383 - 21 = 12472381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12472383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26766 + ... + 27227.

It is an arithmetic number, because the mean of its divisors is an integer number (1295856).

Almost surely, 212472383 is an apocalyptic number.

12472383 is a deficient number, since it is larger than the sum of its proper divisors (8261313).

12472383 is a wasteful number, since it uses less digits than its factorization.

12472383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54014.

The product of its digits is 8064, while the sum is 30.

The square root of 12472383 is about 3531.6261127135. The cubic root of 12472383 is about 231.9083999761.

The spelling of 12472383 in words is "twelve million, four hundred seventy-two thousand, three hundred eighty-three".

Divisors: 1 3 7 11 21 33 77 231 53993 161979 377951 593923 1133853 1781769 4157461 12472383