13172633 has 2 divisors, whose sum is σ = 13172634. Its totient is φ = 13172632.

The previous prime is 13172617. The next prime is 13172639. The reversal of 13172633 is 33627131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12759184 + 413449 = 3572^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 13172633 - 2⁴ = 13172617 is a prime.

It is not a weakly prime, because it can be changed into another prime (13172639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6586316 + 6586317.

It is an arithmetic number, because the mean of its divisors is an integer number (6586317).

Almost surely, 2^13172633 is an apocalyptic number.

It is an amenable number.

13172633 is a deficient number, since it is larger than the sum of its proper divisors (1).

13172633 is an equidigital number, since it uses as much as digits as its factorization.

13172633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 26.

The square root of 13172633 is about 3629.4122113643. The cubic root of 13172633 is about 236.1697105927.

Adding to 13172633 its reverse (33627131), we get a palindrome (46799764).

It can be divided in two parts, 1317 and 2633, that multiplied together give a triangular number (3467661 = T₂₆₃₃).

The spelling of 13172633 in words is "thirteen million, one hundred seventy-two thousand, six hundred thirty-three".