13671045 has 16 divisors (see below), whose sum is σ = 24304320. Its totient is φ = 7291152.

The previous prime is 13671041. The next prime is 13671113. The reversal of 13671045 is 54017631.

It is not a de Polignac number, because 13671045 - 2² = 13671041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13671041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50499 + ... + 50768.

It is an arithmetic number, because the mean of its divisors is an integer number (1519020).

Almost surely, 2^13671045 is an apocalyptic number.

13671045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13671045 is a deficient number, since it is larger than the sum of its proper divisors (10633275).

13671045 is a wasteful number, since it uses less digits than its factorization.

13671045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101281 (or 101275 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 13671045 is about 3697.4376262488. The cubic root of 13671045 is about 239.1115589437. Note that the first 3 decimals are identical.

Adding to 13671045 its reverse (54017631), we get a palindrome (67688676).

The spelling of 13671045 in words is "thirteen million, six hundred seventy-one thousand, forty-five".