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12514031 = 139197457
BaseRepresentation
bin101111101111…
…001011101111
3212112210000122
4233233023233
511200422111
61124115155
7211240025
oct57571357
925483018
1012514031
117077a82
124235abb
132791c6a
14193a715
151172cdb
hexbef2ef

12514031 has 8 divisors (see below), whose sum is σ = 12695760. Its totient is φ = 12333888.

The previous prime is 12514013. The next prime is 12514039. The reversal of 12514031 is 13041521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12514031 - 218 = 12251887 is a prime.

It is a super-2 number, since 2×125140312 = 313201943737922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12514039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27155 + ... + 27611.

It is an arithmetic number, because the mean of its divisors is an integer number (1586970).

Almost surely, 212514031 is an apocalyptic number.

12514031 is a deficient number, since it is larger than the sum of its proper divisors (181729).

12514031 is a wasteful number, since it uses less digits than its factorization.

12514031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12514031 is about 3537.5176324649. The cubic root of 12514031 is about 232.1662440547.

Adding to 12514031 its reverse (13041521), we get a palindrome (25555552).

The spelling of 12514031 in words is "twelve million, five hundred fourteen thousand, thirty-one".

Divisors: 1 139 197 457 27383 63523 90029 12514031