12137407 has 2 divisors, whose sum is σ = 12137408. Its totient is φ = 12137406.

The previous prime is 12137401. The next prime is 12137413. The reversal of 12137407 is 70473121.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12137401) and next prime (12137413).

It is an emirp because it is prime and its reverse (70473121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12137407 - 2¹⁵ = 12104639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12137401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6068703 + 6068704.

It is an arithmetic number, because the mean of its divisors is an integer number (6068704).

Almost surely, 2^12137407 is an apocalyptic number.

12137407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12137407 is an equidigital number, since it uses as much as digits as its factorization.

12137407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 12137407 is about 3483.8781551599. The cubic root of 12137407 is about 229.8133772852.

It can be divided in two parts, 12137 and 407, that added together give a square (12544 = 112²).

The spelling of 12137407 in words is "twelve million, one hundred thirty-seven thousand, four hundred seven".