13403434 has 16 divisors (see below), whose sum is σ = 22887360. Its totient is φ = 5827360.

The previous prime is 13403431. The next prime is 13403437. The reversal of 13403434 is 43430431.

It is an interprime number because it is at equal distance from previous prime (13403431) and next prime (13403437).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (13403431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12739 + ... + 13750.

It is an arithmetic number, because the mean of its divisors is an integer number (1430460).

Almost surely, 2^13403434 is an apocalyptic number.

13403434 is a deficient number, since it is larger than the sum of its proper divisors (9483926).

13403434 is a wasteful number, since it uses less digits than its factorization.

13403434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26525.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 13403434 is about 3661.0700621540. The cubic root of 13403434 is about 237.5410617831.

Adding to 13403434 its reverse (43430431), we get a palindrome (56833865).

It can be divided in two parts, 1340 and 3434, that added together give a palindrome (4774).

The spelling of 13403434 in words is "thirteen million, four hundred three thousand, four hundred thirty-four".