13770002 has 4 divisors (see below), whose sum is σ = 20655006. Its totient is φ = 6885000.

The previous prime is 13769981. The next prime is 13770011. The reversal of 13770002 is 20007731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10883401 + 2886601 = 3299^2 + 1699^2 .

It is a super-2 number, since 2×13770002² = 379225910160008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3442499 + ... + 3442502.

Almost surely, 2^13770002 is an apocalyptic number.

13770002 is a deficient number, since it is larger than the sum of its proper divisors (6885004).

13770002 is an equidigital number, since it uses as much as digits as its factorization.

13770002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885003.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 13770002 is about 3710.7953325399. The cubic root of 13770002 is about 239.6871038179.

Adding to 13770002 its reverse (20007731), we get a palindrome (33777733).

The spelling of 13770002 in words is "thirteen million, seven hundred seventy thousand, two".