13770001 has 8 divisors (see below), whose sum is σ = 15785280. Its totient is φ = 11766768.

The previous prime is 13769981. The next prime is 13770011. The reversal of 13770001 is 10007731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13770001 - 2²¹ = 11672849 is a prime.

It is a super-2 number, since 2×13770001² = 379225855080002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13770011) 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, 406 + ... + 5263.

It is an arithmetic number, because the mean of its divisors is an integer number (1973160).

Almost surely, 2^13770001 is an apocalyptic number.

It is an amenable number.

13770001 is a deficient number, since it is larger than the sum of its proper divisors (2015279).

13770001 is an equidigital number, since it uses as much as digits as its factorization.

13770001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 13770001 is about 3710.7951977979. The cubic root of 13770001 is about 239.6870980158.

Adding to 13770001 its reverse (10007731), we get a palindrome (23777732).

The spelling of 13770001 in words is "thirteen million, seven hundred seventy thousand, one".