13501402 has 4 divisors (see below), whose sum is σ = 20252106. Its totient is φ = 6750700.

The previous prime is 13501393. The next prime is 13501409. The reversal of 13501402 is 20410531.

13501402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20410531 = 241 ⋅84691.

It can be written as a sum of positive squares in only one way, i.e., 13242321 + 259081 = 3639^2 + 509^2 .

It is a super-3 number, since 3×13501402³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13501409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3375349 + ... + 3375352.

Almost surely, 2^13501402 is an apocalyptic number.

13501402 is a deficient number, since it is larger than the sum of its proper divisors (6750704).

13501402 is an equidigital number, since it uses as much as digits as its factorization.

13501402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750703.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13501402 is about 3674.4253972560. The cubic root of 13501402 is about 238.1184002368.

Adding to 13501402 its reverse (20410531), we get a palindrome (33911933).

The spelling of 13501402 in words is "thirteen million, five hundred one thousand, four hundred two".