13421151 has 6 divisors (see below), whose sum is σ = 19386120. Its totient is φ = 8947428.

The previous prime is 13421141. The next prime is 13421173. The reversal of 13421151 is 15112431.

It is not a de Polignac number, because 13421151 - 2²³ = 5032543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745611 + ... + 745628.

It is an arithmetic number, because the mean of its divisors is an integer number (3231020).

Almost surely, 2^13421151 is an apocalyptic number.

13421151 is a deficient number, since it is larger than the sum of its proper divisors (5964969).

13421151 is a wasteful number, since it uses less digits than its factorization.

13421151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491245 (or 1491242 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 13421151 is about 3663.4889108608. The cubic root of 13421151 is about 237.6456783076.

Adding to 13421151 its reverse (15112431), we get a palindrome (28533582).

The spelling of 13421151 in words is "thirteen million, four hundred twenty-one thousand, one hundred fifty-one".