12132739 has 2 divisors, whose sum is σ = 12132740. Its totient is φ = 12132738.

The previous prime is 12132727. The next prime is 12132763. The reversal of 12132739 is 93723121.

It is a weak prime.

It is an emirp because it is prime and its reverse (93723121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12132739 - 2¹³ = 12124547 is a prime.

It is not a weakly prime, because it can be changed into another prime (12132709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066369 + 6066370.

It is an arithmetic number, because the mean of its divisors is an integer number (6066370).

Almost surely, 2^12132739 is an apocalyptic number.

12132739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132739 is an equidigital number, since it uses as much as digits as its factorization.

12132739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 12132739 is about 3483.2081476708. The cubic root of 12132739 is about 229.7839117274.

The spelling of 12132739 in words is "twelve million, one hundred thirty-two thousand, seven hundred thirty-nine".