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12508995 = 35833933
BaseRepresentation
bin101111101101…
…111101000011
3212112112010010
4233231331003
511200241440
61124040003
7211216242
oct57557503
925475103
1012508995
117074214
124233003
13278c895
141938959
151171580
hexbedf43

12508995 has 8 divisors (see below), whose sum is σ = 20014416. Its totient is φ = 6671456.

The previous prime is 12508981. The next prime is 12508999. The reversal of 12508995 is 59980521.

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 12508995 - 25 = 12508963 is a prime.

It is a super-3 number, since 3×125089953 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12508999) 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, 416952 + ... + 416981.

It is an arithmetic number, because the mean of its divisors is an integer number (2501802).

Almost surely, 212508995 is an apocalyptic number.

12508995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12508995 is a deficient number, since it is larger than the sum of its proper divisors (7505421).

12508995 is an equidigital number, since it uses as much as digits as its factorization.

12508995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833941.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 12508995 is about 3536.8057622663. The cubic root of 12508995 is about 232.1350964551.

The spelling of 12508995 in words is "twelve million, five hundred eight thousand, nine hundred ninety-five".

Divisors: 1 3 5 15 833933 2501799 4169665 12508995