13997419 has 4 divisors (see below), whose sum is σ = 14128344. Its totient is φ = 13866496.

The previous prime is 13997413. The next prime is 13997483. The reversal of 13997419 is 91479931.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13997419 - 2³ = 13997411 is a prime.

It is a super-2 number, since 2×13997419² = 391855477323122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13997411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65302 + ... + 65515.

It is an arithmetic number, because the mean of its divisors is an integer number (3532086).

Almost surely, 2^13997419 is an apocalyptic number.

13997419 is a deficient number, since it is larger than the sum of its proper divisors (130925).

13997419 is a wasteful number, since it uses less digits than its factorization.

13997419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130924.

The product of its digits is 61236, while the sum is 43.

The square root of 13997419 is about 3741.3124702436. The cubic root of 13997419 is about 240.9994146092. Note that the first 3 decimals are identical.

The spelling of 13997419 in words is "thirteen million, nine hundred ninety-seven thousand, four hundred nineteen".