12401507 has 2 divisors, whose sum is σ = 12401508. Its totient is φ = 12401506.

The previous prime is 12401497. The next prime is 12401533. The reversal of 12401507 is 70510421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12401507 - 2⁴ = 12401491 is a prime.

It is a super-5 number, since 5×12401507⁵ (a number of 37 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (12401537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200753 + 6200754.

It is an arithmetic number, because the mean of its divisors is an integer number (6200754).

Almost surely, 2^12401507 is an apocalyptic number.

12401507 is a deficient number, since it is larger than the sum of its proper divisors (1).

12401507 is an equidigital number, since it uses as much as digits as its factorization.

12401507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12401507 is about 3521.5773454519. The cubic root of 12401507 is about 231.4682816472.

Adding to 12401507 its reverse (70510421), we get a palindrome (82911928).

The spelling of 12401507 in words is "twelve million, four hundred one thousand, five hundred seven".