13421941 has 4 divisors (see below), whose sum is σ = 14454412. Its totient is φ = 12389472.

The previous prime is 13421927. The next prime is 13421951. The reversal of 13421941 is 14912431.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2722500 + 10699441 = 1650^2 + 3271^2 .

It is a cyclic number.

It is not a de Polignac number, because 13421941 - 2⁷ = 13421813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421951) 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, 516216 + ... + 516241.

It is an arithmetic number, because the mean of its divisors is an integer number (3613603).

Almost surely, 2^13421941 is an apocalyptic number.

It is an amenable number.

13421941 is a deficient number, since it is larger than the sum of its proper divisors (1032471).

13421941 is a wasteful number, since it uses less digits than its factorization.

13421941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032470.

The product of its digits is 864, while the sum is 25.

The square root of 13421941 is about 3663.5967299909. The cubic root of 13421941 is about 237.6503410076.

The spelling of 13421941 in words is "thirteen million, four hundred twenty-one thousand, nine hundred forty-one".