13450402 has 20 divisors (see below), whose sum is σ = 23545206. Its totient is φ = 5762400.

The previous prime is 13450397. The next prime is 13450427. The reversal of 13450402 is 20405431.

13450402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11431161 + 2019241 = 3381^2 + 1421^2 .

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 13450402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3402 + ... + 6202.

Almost surely, 2^13450402 is an apocalyptic number.

13450402 is a deficient number, since it is larger than the sum of its proper divisors (10094804).

13450402 is an frugal number, since it uses more digits than its factorization.

13450402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 13450402 is about 3667.4789706282. The cubic root of 13450402 is about 237.8182002654.

Adding to 13450402 its reverse (20405431), we get a palindrome (33855833).

The spelling of 13450402 in words is "thirteen million, four hundred fifty thousand, four hundred two".