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12497995 = 52499599
BaseRepresentation
bin101111101011…
…010001001011
3212111222000201
4233223101023
511144413440
61123513031
7211142206
oct57532113
925458021
1012497995
117066a24
124228777
132787883
14193493d
15116d19a
hexbeb44b

12497995 has 4 divisors (see below), whose sum is σ = 14997600. Its totient is φ = 9998392.

The previous prime is 12497987. The next prime is 12498001. The reversal of 12497995 is 59979421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59979421 = 166336067.

It is a cyclic number.

It is not a de Polignac number, because 12497995 - 23 = 12497987 is a prime.

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, 1249795 + ... + 1249804.

It is an arithmetic number, because the mean of its divisors is an integer number (3749400).

Almost surely, 212497995 is an apocalyptic number.

12497995 is a deficient number, since it is larger than the sum of its proper divisors (2499605).

12497995 is an equidigital number, since it uses as much as digits as its factorization.

12497995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499604.

The product of its digits is 204120, while the sum is 46.

The square root of 12497995 is about 3535.2503447422. The cubic root of 12497995 is about 232.0670325030.

The spelling of 12497995 in words is "twelve million, four hundred ninety-seven thousand, nine hundred ninety-five".

Divisors: 1 5 2499599 12497995