12495949 has 2 divisors, whose sum is σ = 12495950. Its totient is φ = 12495948.

The previous prime is 12495943. The next prime is 12495953. The reversal of 12495949 is 94959421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10824100 + 1671849 = 3290^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 12495949 - 2³ = 12495941 is a prime.

It is a super-2 number, since 2×12495949² = 312297482821202, which contains 22 as substring.

It is a zygodrome in base 5.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12495941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6247974 + 6247975.

It is an arithmetic number, because the mean of its divisors is an integer number (6247975).

Almost surely, 2^12495949 is an apocalyptic number.

It is an amenable number.

12495949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12495949 is an equidigital number, since it uses as much as digits as its factorization.

12495949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 43.

The square root of 12495949 is about 3534.9609615949. The cubic root of 12495949 is about 232.0543682034.

The spelling of 12495949 in words is "twelve million, four hundred ninety-five thousand, nine hundred forty-nine".