13402453 has 2 divisors, whose sum is σ = 13402454. Its totient is φ = 13402452.

The previous prime is 13402427. The next prime is 13402469. The reversal of 13402453 is 35420431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12909649 + 492804 = 3593^2 + 702^2 .

It is a cyclic number.

It is not a de Polignac number, because 13402453 - 2¹³ = 13394261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13402423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701226 + 6701227.

It is an arithmetic number, because the mean of its divisors is an integer number (6701227).

Almost surely, 2^13402453 is an apocalyptic number.

It is an amenable number.

13402453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13402453 is an equidigital number, since it uses as much as digits as its factorization.

13402453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13402453 is about 3660.9360824795. The cubic root of 13402453 is about 237.5352664158.

Adding to 13402453 its reverse (35420431), we get a palindrome (48822884).

The spelling of 13402453 in words is "thirteen million, four hundred two thousand, four hundred fifty-three".