13019454 has 96 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 3592512.

The previous prime is 13019443. The next prime is 13019459. The reversal of 13019454 is 45491031.

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 (13019459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146242 + ... + 146330.

It is an arithmetic number, because the mean of its divisors is an integer number (360360).

Almost surely, 2^13019454 is an apocalyptic number.

13019454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13019454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17297280).

13019454 is an abundant number, since it is smaller than the sum of its proper divisors (21575106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13019454 is an equidigital number, since it uses as much as digits as its factorization.

13019454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 13019454 is about 3608.2480513402. The cubic root of 13019454 is about 235.2506997118.

The spelling of 13019454 in words is "thirteen million, nineteen thousand, four hundred fifty-four".