1399514 has 4 divisors (see below), whose sum is σ = 2099274. Its totient is φ = 699756.

The previous prime is 1399513. The next prime is 1399529. The reversal of 1399514 is 4159931.

Added to its reverse (4159931) it gives a triangular number (5559445 = T₃₃₃₄).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4159931 = 149 ⋅27919.

It can be written as a sum of positive squares in only one way, i.e., 1399489 + 25 = 1183^2 + 5^2 .

It is not an unprimeable number, because it can be changed into a prime (1399513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349877 + ... + 349880.

2^1399514 is an apocalyptic number.

1399514 is a deficient number, since it is larger than the sum of its proper divisors (699760).

1399514 is an equidigital number, since it uses as much as digits as its factorization.

1399514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699759.

The product of its digits is 4860, while the sum is 32.

The square root of 1399514 is about 1183.0105663095. The cubic root of 1399514 is about 111.8559478808.

Adding to 1399514 its reverse (4159931), we get a triangular number (5559445 = T₃₃₃₄).

The spelling of 1399514 in words is "one million, three hundred ninety-nine thousand, five hundred fourteen".